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acpi, nfit: Show bus_dsm_mask in sysfs 

Display bus_dsm_mask in sysfs as /sys/bus/nd/devices/ndbusX/nfit/dsm_mask.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Jerry Hoemann 2017-06-30 20:41:28 -07:00 committed by Dan Williams
parent 7db5bb33ad
commit 41f95db7b9
1 changed files with 12 additions and 0 deletions
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12
drivers/acpi/nfit/core.c
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@ -929,6 +929,17 @@ static int nfit_mem_init(struct acpi_nfit_desc *acpi_desc)
return 0; return 0;
} }
static ssize_t bus_dsm_mask_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct nvdimm_bus *nvdimm_bus = to_nvdimm_bus(dev);
struct nvdimm_bus_descriptor *nd_desc = to_nd_desc(nvdimm_bus);
return sprintf(buf, "%#lx\n", nd_desc->bus_dsm_mask);
}
static struct device_attribute dev_attr_bus_dsm_mask =
__ATTR(dsm_mask, 0444, bus_dsm_mask_show, NULL);
static ssize_t revision_show(struct device *dev, static ssize_t revision_show(struct device *dev,
struct device_attribute *attr, char *buf) struct device_attribute *attr, char *buf)
{ {
@ -1065,6 +1076,7 @@ static struct attribute *acpi_nfit_attributes[] = {
&dev_attr_revision.attr, &dev_attr_revision.attr,
&dev_attr_scrub.attr, &dev_attr_scrub.attr,
&dev_attr_hw_error_scrub.attr, &dev_attr_hw_error_scrub.attr,
&dev_attr_bus_dsm_mask.attr,
NULL, NULL,
}; };